v3.26.1
Note 7 - Leases (Details Textual)
 3 Months Ended 9 Months Ended
Jul. 31, 2026
USD ($)
ft²
Jul. 31, 2025
USD ($)
Jul. 31, 2026
USD ($)
ft²
Jul. 31, 2025
USD ($)
Oct. 31, 2025
USD ($)
Operating Lease, Right-of-Use Asset $ 1,818,039   $ 1,818,039   $ 1,686,290
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Other assets, net   Other assets, net    
Operating Lease, Liability, Current $ 468,155   $ 468,155   392,898
Operating Lease, Liability, Noncurrent $ 1,432,777   $ 1,432,777   $ 1,358,584
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Accounts payable and accrued expenses   Accounts payable and accrued expenses   Accounts payable and accrued expenses
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Other noncurrent liabilities   Other noncurrent liabilities   Other noncurrent liabilities
Operating Lease, Expense $ 187,096 $ 153,107 $ 504,140 $ 462,766  
Operating Lease, Weighted Average Remaining Lease Term 41 months 6 days   41 months 6 days    
Operating Lease, Weighted Average Discount Rate, Percent         9.20%
Operating Lease, Payments $ 151,961 147,390 $ 453,334 432,529  
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability 30,568   479,254 266,141  
Reduction in Right-of-use Assets for Termination of Operating Lease Liability       21,344  
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability   188,185 35,081 188,185  
Finance Lease, Right-of-Use Asset, after Accumulated Amortization $ 239,793   $ 239,793   $ 257,986
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Other assets, net   Other assets, net    
Finance Lease, Liability, Current $ 65,504   $ 65,504   87,014
Finance Lease, Liability, Noncurrent $ 145,878   $ 145,878   $ 144,957
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Accounts payable and accrued expenses   Accounts payable and accrued expenses   Accounts payable and accrued expenses
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Other noncurrent liabilities   Other noncurrent liabilities   Other noncurrent liabilities
Finance Lease, Interest Expense $ 3,510 2,070 $ 11,305 4,098  
Finance Lease, Right-of-Use Asset, Amortization $ 19,707 10,511 $ 53,274 25,260  
Lessee, Finance Lease, Remaining Lease Term 43 months 15 days   43 months 15 days    
Lessee, Finance Lease, Discount Rate 6.40%   6.40%    
Finance Lease, Principal Payments $ 19,222 $ 12,449 $ 55,669 $ 31,854  
Operating Lease for Office, Manufacturing and Warehouse Space in Plano, Texas [Member]          
Area of Real Estate Property | ft² 34,000   34,000    
Lessee, Operating Lease, Term of Contract 60 months   60 months    
Operating Lease for Warehouse Space in Roanoke, Virginia [Member]          
Area of Real Estate Property | ft² 27,500   27,500    
Lessee, Operating Lease, Term of Contract 48 months   48 months